3/4 inch handle extension kit for pressure balanced Rough in valve rohl 3603-1208 features: 3/4 inch handle extension kit only for use with rohl rmv-1 and rmv-2 pressure balanced Rough in valves about rohl: excellence, durability, and beauty. Family values, integrity, and innovation. These are all terms which aptly describe rohl and its remarkable selection of kitchen and bathroom faucets and fixtures. Since 1983, rohl has maintained a commitment to providing high-quality Plumbing products for residential and commercial applications, while assuring these fixtures would make a difference in the overall decor in the living space. With a dedication to excellence throughout the home, rohl has been satisfying homes, schools, hospitality venues, and restaurants all around the world. Rohl specializes in providing timeless designs for every type of theme, including traditional, transitional, and modern. When rohl suggests its products reflect the feel of a certain area outside the United states, it’s more than just that. Rohl products are authentically crafted in towns in new Zealand, Western Europe, and north America.